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Technical and food testing competence

DLG TestService is one of the leading service providers for quality assurance and quality enhancement in agricultural engineering, farm inputs, and food – across the entire value chain.

Technology & farm inputs

Expertise and services

Food & beverages

Expertise and services

We test quality – from agriculture to food.

As an independent testing and certification organization, DLG TestService evaluates products, processes, and systems – from tractors and agricultural machinery to farm inputs, food products, and packaging.

At its locations in Frankfurt am Main, Gau-Bickelheim, and Groß-Umstadt, the company offers a broad range of services: from quality testing and audits to certifications and awards, as well as customized projects and research-accompanying tests.

Making quality visible

Our test marks stand for verified quality. Whether it's technology, farm inputs, or food – the DLG quality seals represent tested performance and credible quality assurance.

DLG test mark – agriculture DLG test mark – food

Your benefits at a glance:

Independent and impartial testing

Scientifically grounded methods

High acceptance in the market and among professionals

Transparent evaluation and clear communication

Interested in product testing or our methods? Get in touch!

Our teams from the agriculture and food sectors are here to support you.

Contact agriculture Contact food

Technology & farm inputs

Food & beverages

Tractor tire mounted on a dynamometer test bench, equipped with sensors and measuring instruments for evaluating speed, torque, and traction in a controlled test environment.

DLG chassis dynamometer

Precise measurements under controlled conditions.

Performance and consumption measurement

Cabin and driver's cabs

Farm inputs

DLG animal welfare label

The DLG dairy farming programme promotes animal-friendly husbandry of dairy cows.

Food testing

Wine tastings

Quality checks on pet food

What our customers say

„DLG chassis dynamometer in Groß-Umstadt is an excellent facility for testing tractors in a wide range of realistic simulations.”

Richard Cadman

Fastrac Test & Development Manager, JCB Landpower LTD

The annual awards enable us to demonstrate to our customers the consistent quality of our products, which is confirmed by an independent body."

Dr. Moritz Krahl,

Technical Director and Beer Sommelier Hochdorfer Kronenbrauerei